Photosynthesis

Question 1

It is a plant organ that collects solar energy and converts it to food.

Answer 1

Leaf

Question 2

The leaf primary purpose is to conduct ______________

Answer 2

photosynthesis

Question 3

What is angiosperms?

Answer 3

Flowering Plants

Question 4

Leaves of angiosperms are ________ to make the most of light absorption and the exchange of gases.

Answer 4

flattened

Question 5

It has a broad, flattened blade connected to the stem by a petiole, which is a stem-like structure.

Answer 5

Dicot leaf

Question 6

It wraps around the stem in a sheath.

Answer 6

Monocot Leaf

Question 7

The epidermal cells secrete a waxy substance called _________ that covers the outer epidermal surface and functions to reduce water loss through evaporation and to prevent external water and solutes from entering the leaf.

Answer 7

Cuticle

Question 8

It is a long, narrow epidermal cell that grows perpendicular to the surface.

Answer 8

Trichome

Question 9

They reduce water loss by slowing air movement close to the leaves and, in the case of desert plants, may protect the leaves from high light intensity.

Answer 9

Trichome

Question 10

They discourage some pests from devouring the leaves.

Answer 10

Trichome

Question 11

It is a tiny pore in the epidermis that regulates the exchange of gases.

Answer 11

Stoma

Question 12

It is more prevalent on the lower epidermis than on the upper epidermis.

Answer 12

Stomata - plural
Stoma - singular

Question 13

Each stoma is enclosed by two specialized epidermal cells called ____________.

Answer 13

guard cells

Question 14

A guard cell is one of a pair of cells that regulate the opening and closing of the stoma, through which the diffusion of ____________, _________, and, _____________ is allowed.

Answer 14

carbon dioxide, oxygen, and water vapor

Question 15

It is a primary photosynthetic tissue.

Answer 15

mesophyll

Question 16

What is between the epidermal layers?

Answer 16

primary photosynthetic tissue called the mesophyll.

Question 17

It consists of parenchyma cells organized into two regions.

Answer 17

Mesophyll

Question 18

It is a tight stratum of vertically arranged mesophyll cells lying just below the upper epidermis.

Answer 18

palisade layer

Question 19

Cells of the palisade layer contain three to five times as many chloroplasts as those of the other region, the ______________ layer.

Answer 19

spongy mesophyll

Question 20

What are the two types of region in mesophyll?

Answer 20

palisade and spongy layer

Question 21

The layer is a loosely arranged layer of cells beneath the palisade layer that is interspersed with an open intercellular system.

Answer 21

spongy mesophyll

Question 22

The cavities between the spongy mesophyll cells are in direct contact with the _______ via the stomata.

Answer 22

atmosphere

Question 23

Mesophyll contain cells different pigments,
colored including ___________, ___________ , and __________.

Answer 23

chlorophyll, carotenoids, and anthocyanins

Question 24

It is the primary pigment involved in photosynthesis and is the most efficient light-capturing pigment.

Answer 24

Chlorophyll

Question 25

Leaves appear green because of ___________.

Answer 25

chlorophyll

Question 26

It is the most abundant pigment in the leaves of a growing plant.

Answer 26

chlorophyll

Question 27

It is a bright green pigment responsible for absorbing energy from the violet-blue to red, red-orange light wavelengths.

Answer 27

Chlorophyll a

Question 28

It is a yellow-green pigment that absorbs red-blue wavelengths of light.

Answer 28

Chlorophyll b

Question 29

“Chlorophyll a” is a _____________ responsible for absorbing energy from the violet-blue to red, red-orange light wavelengths.

Answer 29

bright green pigment

Question 30

“Chlorophyll b” is a ____________ that absorbs red-blue wavelengths of light.

Answer 30

yellow-green pigment

Question 31

It delivers water and dissolved minerals to the leaf tissues

Answer 31

Xylem

Question 32

Where is xylem located?

Answer 32

Upper side of the vein

Question 33

It carries sugars from the leaf.

Answer 33

Phloem

Question 34

Where is phloem located?

Answer 34

Bottom side of the vein.

Question 35

________ are numerous enough so every cell is reached for exchange of materials.

Answer 35

Veins

Question 36

It is the process that converts solar energy into chemical energy that is used by biological system.

Answer 36

photosynthesis

Question 37

What are the three major events in photosynthesis?

Answer 37

1. Sunlight is converted into chemical energy. 2. Water is split into oxygen. 3. Carbon dioxide is fixed into sugars.

Question 38

What is the photosynthesis reaction?

Answer 38

6 CO2 + 12 H2O + Sunlight ----> C6H12O6 + 6 H20 + 6 O2

Question 39

Certain bacteria, plants, most algae, cyanobacteria, and phytoplankton are organisms known as ______________.

Answer 39

Photoautotrophs

Question 40

They are producers that make their own food and energy from the sun.

Answer 40

Photoautotrophs

Question 41

During photosynthesis, plants produce _________ molecules when they convert light energy into chemical energy.

Answer 41

Glucose

Question 42

When plants produce excess glucose they store it in their ________.

Answer 42

Leaves

Question 43

It is a sugar.

Answer 43

Glucose

Question 44

Plants can also make glucose into carbohydrate chains called _________.

Answer 44

Polysaccharides

Question 45

What does poly and saccharide mean in polysaccharides?

Answer 45

Poly = many Saccharides = carbohydrates

Question 46

Glucose is a _________.

Answer 46

Monosaccharide

Question 47

What are the two polysaccharide chains in plants?

Answer 47

Cellulose and Starch

Question 48

It is the structural component of cell walls.

Answer 48

Cellulose

Question 49

It is a long term energy store that the plant can use later.

Answer 49

Starch

Question 50

Chloroplasts are full of round flattened discs called _____________.

Answer 50

Thylakoids

Question 51

What is a stack of thylakoid called?

Answer 51

Granum

Question 52

This is where the photosynthesis occurs.

Answer 52

Chloroplasts

Question 53

It is the space inside chloroplasts.

Answer 53

Stroma

Question 54

What are the two photosynthesis reaction?

Answer 54

Light and dark reactions

Question 55

__________ or "light dependent reactions" capture light energy to power photosynthesis.

Answer 55

Light reactions

Question 56

What time does light reaction occurs?

Answer 56

Day time

Question 57

Pigments in the thylakoid membranes form protein complexes are called __________ and __________.

Answer 57

Photosystem 1 and Photosystem 2

Question 58

__________ or "light dependent reactions" do not need light energy to power their reactions and can occur day or night.

Answer 58

Dark Reactions

Question 59

The dark reactions are also called the _________.

Answer 59

Calvin - Bensen - Bassham or just Calvin Cycle

Question 60

Where does dark reactions occur?

Answer 60

Stroma of choloroplasts

Question 61

What are the energy carrying molecules?

Answer 61

ATP & NADP+

Question 62

What does NADP+ means?

Answer 62

Nicotinamide adenine dinucleotide phosphate

Question 63

NADP+ can hold __________ charged from light energy harvested by chlorophyll to become _________.

Answer 63

Excited electrons NADPH

Question 64

What does ATP means?

Answer 64

adenosine triphosphate

Question 65

______ + ________ = adenosine

Answer 65

Adenine + ribose

Question 66

It is called the "cellular currency" because it is used to power all the reactions that take place in the cells of all living things.

Answer 66

ATP

Question 67

When ATP's third phosphate is broken off it is called ________

Answer 67

ADP or adenosine diphosphate